#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[])
{
	int num = atoi(argv[1]);
	//int num  = 0;
	printf("argc1=%s, num = %d\n",argv[1] ,num);

	switch (num) {
		case 0:
			printf("in case 0\n");
			break;
		case 1:
			printf("in case 1\n");
		case 2:
			printf("in case 2\n");
			break;
		case 3:
			printf("in case 3\n");
		case 4:
			printf("in case 4\n");
			break;
		case 5:
			printf("in case 5\n");
		default:
			printf("in default\n");
	}
	return 0;
}
